Bt431a To Rj11 Wiring Diagram

On rj11 it is usual for the centre two pins to carry the signal on bt431a it is the outer two.

Bt431a to rj11 wiring diagram. Standard telephone jacks rj11 have 4 contacts 2 wire pairs. Rj 11 connector wiring comes in two standard types. The 4 way bt plugs are used in residential systems and the 6 way bt plugs. Hi this video shows how to install a new or replacement bt plug.

Most cable nowadays is utp unshielded twisted pair. By a masterpiece of technical superiority between them the bsi and bt managed to number the 431a plug in the british standard as a mirror image of the socket so when inserted pin 1 on the plug goes to pin 6 on the socket pin 2 to pin 5 and so on. Though the rj 11 connector has a total of 6 connector positions typically either only 2 or 4 are used. Figure 1 is the wiring scheme for the plug side of an rj 11 connector.

Cat5 connectors rj45 have 8 contacts 4 wire pairs. How to wire a phone jack voice or telephone rj 11 thru rj 14 usoc wiring diagram telephone wiring for a phone outlet is typically either 1 2 or 3 pairs 2 4 or 6 conductor. Both the 4 way bt431a and the 6 way bt631a are shown. Network wiring instructions for rj11 and rj45 rj 11 telephone plug.

It plugs into the master socket and has a spare 431a connection at the bottom of this is a rj11 plug and the cable which came from that has a colour code white green blue and red. Rj11 wiring well the other day i brought a bt phone extension cable which wasn t long enough. The typical rj 11 connector has six terminals.